Shower head



FIG. 1 is a perspective view taken from the front, top and right side of a shower head showing my new design;

FIG. 2 is a right side elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear view thereof; and

FIG. 5 is a left side elevation thereof. 

The ornamental design for a shower head, substantially as shown. 